data-role="navbar"——指明div元素承载导航条组件;
.ui-btn-active——设置按钮为选中状态;
data-icon——设置jQueryMobile的内置图标;
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<title>navbar示例</title>
<link rel="stylesheet" type="text/css" href="jquery.mobile-1.4.5.min.css">
<script src="jquery-1.11.1.min.js"></script>
<script src="jquery.mobile-1.4.5.min.js"></script>
</head>
<body>
<div data-role="page" id="page_one">
<div data-role="header" data-position="fixed" data-theme="b">
<h1>Fun Here</h1>
<div data-role="navbar">
<ul>
<li><a href="#" class="ui-btn-active" data-icon="grid">分类</a></li>
<li><a href="#" data-icon="star">周边</a></li>
<li><a href="#" data-icon="gear">设置</a></li>
</ul>
</div>
</div>
<div data-role="content">
<h2>主要内容</h2>
</div>
<div data-role="footer" data-position="fixed">
<div data-role="navbar">
<ul>
<li><a href="#" class="ui-btn-active">分类</a></li>
<li><a href="#" >周边</a></li>
<li><a href="#" >我</a></li>
</ul>
</div>
</div>
</div>
</body>
</html>
在iphone6中显示的效果为: